Abd El-Hamed, N., Shaalan, H., Fargalla, F. (2011). EFFECTIVENESS OF SOME PLANT POWDERS AND BIOINSECTICIDES AGAINST Phthorimaea operculella (ZELLER.) (LEPIDOPTERA : GELECHIIDAE) ON SOME POTATO CULTIVARS. Journal of Plant Protection and Pathology, 2(4), 475-480. doi: 10.21608/jppp.2011.86480
Neama A. Abd El-Hamed; H. S. Shaalan; Farha H. H. Fargalla. "EFFECTIVENESS OF SOME PLANT POWDERS AND BIOINSECTICIDES AGAINST Phthorimaea operculella (ZELLER.) (LEPIDOPTERA : GELECHIIDAE) ON SOME POTATO CULTIVARS". Journal of Plant Protection and Pathology, 2, 4, 2011, 475-480. doi: 10.21608/jppp.2011.86480
Abd El-Hamed, N., Shaalan, H., Fargalla, F. (2011). 'EFFECTIVENESS OF SOME PLANT POWDERS AND BIOINSECTICIDES AGAINST Phthorimaea operculella (ZELLER.) (LEPIDOPTERA : GELECHIIDAE) ON SOME POTATO CULTIVARS', Journal of Plant Protection and Pathology, 2(4), pp. 475-480. doi: 10.21608/jppp.2011.86480
Abd El-Hamed, N., Shaalan, H., Fargalla, F. EFFECTIVENESS OF SOME PLANT POWDERS AND BIOINSECTICIDES AGAINST Phthorimaea operculella (ZELLER.) (LEPIDOPTERA : GELECHIIDAE) ON SOME POTATO CULTIVARS. Journal of Plant Protection and Pathology, 2011; 2(4): 475-480. doi: 10.21608/jppp.2011.86480
EFFECTIVENESS OF SOME PLANT POWDERS AND BIOINSECTICIDES AGAINST Phthorimaea operculella (ZELLER.) (LEPIDOPTERA : GELECHIIDAE) ON SOME POTATO CULTIVARS
2Plant Protection Research Institute, (ARC), Dokki, Giza, Egypt.
Abstract
Experiment was carried out in laboratory at Vegetable Research Pests Department, Plant Protection, Research Institute, to evaluate the effect of seeds of Black pepper (Piper nigrum), Clovers flower (Syzygium arematicum) and Santonica flower ( Matricaria chamomillia ) against Phthorimaea operculella larvae at three concentrations,(7.5; 15.0; 30.0 gm.) on three potato tuber cultivars (Roseate; Herms and Mondial cultivars ) compared with the bioinsecticide protecto (10 % W.P.).
The results demonstrated that the cloves flower powder was the most effective against larvae of P. operculella, followed by santonica flower powder and black pepper seed powder, while protecto was the most effective compound which caused larval mortality of 90.7; 93.3 and 93.5 %, after two weeks on three potato tuber cultivars Roseate; Herms and Mondial, respectively. Also the data indicated that larval mortality of the potato tuber moth with the three powders was increased by increasing the concentrations . However the tested materials showed a significant effect in increasing the mortality rate of larvae of the tested insects on the three potato cultivars.
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